package io.datajek.springbasics.movierecommendersystem.lesson11;

import io.datajek.springbasics.movierecommendersystem.lesson3.Filter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Component;

import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;

@Component

public class ContentBasedFilter implements Filter {

    private Logger logger = LoggerFactory.getLogger(this.getClass());

    public  ContentBasedFilter(){
        super();
        logger.info("In ContentBasedFilter constructor method");
    }

    @PostConstruct
    private void postConstruct() {
        //将电影加载到缓存中
        logger.info("In ContentBaseFilter postConstruct method");
    }

    @PreDestroy
    private  void preDestroy() {
        //从缓存中清除电影
        logger.info("In ContentBaseFilter postConstruct method");
    }

    //getRecomendations将一部电影作为输入，并返回类似电影的列表。
    public String[] getRecommendations(String movie) {

      //计算电影之间的相似度

        //返回推荐
        return new String[] {"Happy Feet", "Ice Age", "Shark Tale"};
    }
}
